Grayscale Displaying Scheme Based on Petal Orbital Angular Momentum Holography

Lin, Chang; Wang, Le; Zhao, Shengmei

doi:10.1109/jlt.2024.3384243

J. Lightwave Technol.

2024

DOI: 10.1109/jlt.2024.3384243

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Grayscale Displaying Scheme Based on Petal Orbital Angular Momentum Holography

Chang Lin,

Le Wang,

Shengmei Zhao

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Cited by 1 publication

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Strategy for Simple Control of High Performance PQ/PMMA Holographic Media

Jin,

Wu,

et al. 2024

ACS Appl. Mater. Interfaces

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Holographic data storage technology is a cost-effective solution for long-term archival data storage. However, the development of suitable holographic recording materials remains a challenge. Among these materials, phenanthraquinone-doped poly(methyl methacrylate) (PQ/PMMA) stands out due to its low cost and controllable thickness. Nevertheless, its limited photosensitivity and diffraction efficiency hinder its widespread application. In order to solve these problems, we put forward a kind of convenient and simple, low cost strategy, by adding plasticizer N,N-dimethylformamide (DMF) for preparation of DMF-PQ/PMMA photopolymer, avoid the use of complex compounds. The addition of DMF not only influences the thermal polymerization stage but also forms weak interactions with PQ during the photoreaction process, thereby enhancing the holographic performance of DMF-PQ/PMMA. Consequently, we achieved a remarkable 9.1-fold increase in photosensitivity (from ∼0.35 to 3.18 cm J–1), improved diffraction efficiency by 20% (from 65% to 80%), and reduced volume shrinkage by a factor of 8 (from 0.4% to 0.05%). Furthermore, utilizing a collinear holographic storage system with multiplexing shift at a scale of 5 μm resulted in an impressively low minimum bit error rate (BER) of only 0.36% (with an average BER of 1.4%), highlighting the fast processing capability and potential for low BER applications in holographic information storage using DMF-PQ/PMMA.

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Strategy for Simple Control of High Performance PQ/PMMA Holographic Media

Jin,

Wu,

et al. 2024

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

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Grayscale Displaying Scheme Based on Petal Orbital Angular Momentum Holography

Cited by 1 publication

References 27 publications

Strategy for Simple Control of High Performance PQ/PMMA Holographic Media

Strategy for Simple Control of High Performance PQ/PMMA Holographic Media

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